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6752577
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0
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CreationDate
2011-07-19T18:59:15.323
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2011-07-19T21:45:02.627
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2011-07-19T21:45:02.627
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828269
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6751981
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2
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text
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I don't know why you could want that but it should be possible, with these functions you can do whatever you want : I should add, that the following is a mix of C and C++ (in OpenCV as well) <a href="http://opencv.willowgarage.com/documentation/c/core_dynamic_structures.html?highlight=createseq#cvCreateSeq" rel="nofollow">CreateSeq</a> CvSeq* cvCreateSeq(int seqFlags, int headerSize, int elemSize, CvMemStorage* storage) <a href="http://opencv.willowgarage.com/documentation/c/core_dynamic_structures.html?highlight=seqpush#cvSeqPush" rel="nofollow">SeqPush</a> char* cvSeqPush(CvSeq* seq, void* element=NULL) Here is the code, i have not tried it yet, please let me know if there are errors, if it works or not, i just gave it a try... <pre><code>vector<KeyPoint> myKeypointVector; //Your KeyPoint vector // Do whatever you want with your vector CvMemStorage* storage = cvCreateMemStorage(0) // By default the flag 0 is 64K // but myKeypointVector.size()*(sizeof(KeyPoint)+sizeof(CvSeq)) should work // it may be more efficient but be careful there may have seg fault // (not sure about the size CvSeq* myKeypointSeq = cvCreateSeq(0,sizeof(CvSeq),sizeof(KeyPoint),storage); // Create the seq at the location storage for (size_t i=0; myKeypointVector.size(); i++) { int* added = (int*)cvSeqPush(myKeypointSeq,&(myKeypointVector[i])); // Should add the KeyPoint in the Seq } cvClearMemStorage( storage ); cvReleaseMemStorage(&storage); </code></pre> Julien,
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1. POconverting a vector of keypoints to a CvSeq
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1. USjmartel
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1. USjmartel
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1. POconverting a vector of keypoints to a CvSeq
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1. COThanks for the help. I was able to add in Keypoints and Matrix information from this snippet.
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 USSeb

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